Dayco Engine Thermostat with Seal — DT104E

The Dayco DT104E is an engine thermostat supplied with seal, designed to OEM specifications for compatible vehicles.

  • Designed to OEM specifications for reliable, factory-matched performance
  • Features a heat-sensing wax-filled copper power pill that detects coolant temperature in the engine
  • Controls coolant flow from the radiator when the engine is cold, allowing the engine to reach optimum operating temperature quickly
  • Allows coolant to circulate through the engine once operating temperature is reached, maintaining the ideal temperature-controlled engine environment
  • Opening temperature: 77°C (170°F)
  • Flange diameter: 56mm
  • Flange to base: 33mm
  • Supplied with seal included
  • Warranty: 2 years / 40,000km

A thermostat that has failed in the open position will make your heater appear not to work for an extended period during winter. If it fails in the closed position, it will cause your engine to overheat, leading to costly repairs or ultimately complete engine failure.

Thermostats are supplied in a range of opening temperatures, flange diameters and vent valve configurations. Check the opening temperature and dimensions against your application, and confirm whether a seal or gasket is supplied with the part number you need.

2 Years/40,000km
SKU DT104E
Model # DT104E
Barcode # 9325361315299
Brand Dayco
Placement On Vehicle Engine
Warranty 2 Years/40,000km
Height 60mm
Flange Diameter 56mm
Type Thermostat
Manufacturer Part Number DT104E
Position On Vehicle Engine
Celsius 77°C
Fahrenheit 170°F
Flange To Base 33mm
Contains Liquid No
Opening Temperature 77 °C

Dayco

  • One of the largest Automotive companies in Australia.
  • Dayco products are of the highest quality with OE spec parts
  • Dayco supply a variety of parts to the aftermarket industry including belts, pulleys, thermostats, tensioners among others.
  • See our other items for more Dayco products
Select your vehicle using the Part Finder to check fitment for your specific vehicle.
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Packaging: Manufacturers periodically update their packaging and labelling. You may receive the current or a previous design — the product, formulation and part number are unchanged.

Fitment (vehicle-specific products): Vehicle fitment is based on manufacturer and supplier catalogue data and is kept as accurate as possible, but vehicle catalogues are not perfect. Some models had more than one part fitted depending on build date, engine, or component size/variant, and parts on older vehicles may have been replaced with non-original or different-style components.

Before you buy, compare the product images with the part currently fitted to your vehicle — check shape, size, connectors and mounting points. If the part on your vehicle looks different, please contact us before purchasing. It is the buyer's responsibility to confirm the part suits their vehicle before purchasing.

Not sure? Message us with your vehicle's registration number and state (preferred), or full VIN/build details, and we'll do our best to confirm fitment before you buy.

Parts returned because they do not suit the vehicle, where the listing matches the manufacturer's catalogue, are treated as a change of mind and must be unused, uninstalled and in original packaging. Nothing in this notice affects your rights under the Australian Consumer Law.

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